Mark Cuban : (8) " Sweat equity is the most valuable equity there is. Know your business and industry better than anyone else in the world. Love what you do or don’t do it. " - Mark Cuban " To be a billionaire, you have got to get lucky. " - Mark Cuban " What I’ve learned in these 11 years is you just got to stay focused and believe in yourself and trust your own ability and judgment. " - Mark Cuban " The first cities to create friction-free enterprise zones will get a lot of entrepreneurial traction. " - Mark Cuban " Staying true to who I am was tougher when I first got wealthy. Having great friends kept me grounded. " - Mark Cuban " It is so much easier to be nice, to be respectful, to put yourself in your customers’ shoes and try to understand how you might help them before they ask for help, than it is to try to mend a broken customer relationship. " - Mark Cuban " Owning a popular sports team is very different than any other type of business. They don’t throw parades when Apple has the biggest quarter in corporate history. People don’t call and email asking for anyone from the team to come visit their sick child. They don’t cry as they request a jersey of their child’s favorite player to be buried with them. " - Mark Cuban " When I die, I want to come back as me. " - Mark Cuban